References

1

W.L.McMillan, Phys. Rev., 138, A442, (1965)

2

D.Ceperley, M.H.Kalos, Monte Carlo Methods in Statistical Physics, 2nd ed. edited by K.Binder (Springer, Berlin 1986)

3

P.J.Reynolds, D.Ceperley, B.J.Alder and W.A.Lester,Jr. J. Chem. Phys., 77, 5593, (1982)

4

C.J.Umrigar, K.G.Wilson and J.W.Wilkins, Phys. Rev. Lett., 60, 1719 (1988)

5

L.Mitas, in Computer Simulation Studies in Condensed Matter Physics

6

L.Mitas and R.M.Martin, to be published

7

S.Tanaka, J. Phys. Soc. Japan, 62, 2112, (1993)

8

G.Rajagopal, R.J.Needs, S.Kenny, W.M.C. Foulkes and A.James to be published

9

S.Fahy, X.W.Wang and S.Louie, Phys. Rev. B, 42, 3503, (1990)

10

Z.W.Lu, A.Zunger and M.Deutsch, Phys. Rev. B, 47, 9385 (1993)

11

C.J. Umrigar, K.G. Wilson and J.W.Wilkins, in Computer Simulation Studies in Condensed Matter Physics

12

G.Jacucci and A.Rahman, Nuovo Cimento, D4, 341, (1984)